test_ctselect.py
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#! /usr/bin/env python
# ==========================================================================
# This scripts performs unit tests for the ctselect tool.
#
# Copyright (C) 2014-2016 Juergen Knoedlseder
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# ==========================================================================
import os
import gammalib
import ctools
# ============================ #
# Test class for ctselect tool #
# ============================ #
class Test(gammalib.GPythonTestSuite):
"""
Test class for ctselect tool.
"""
# Constructor
def __init__(self):
"""
Constructor.
"""
# Call base class constructor
gammalib.GPythonTestSuite.__init__(self)
# Return
return
# Set test functions
def set(self):
"""
Set all test functions.
"""
# Set test name
self.name('ctselect')
# Append tests
self.append(self._test_cmd, 'Test ctselect on command line')
self.append(self._test_python, 'Test ctselect from Python')
# Return
return
# Test ctselect on command line
def _test_cmd(self):
"""
Test ctselect on the command line.
"""
# Kluge to set the command (installed version has no README file)
if os.path.isfile('README.md'):
ctselect = '../src/ctselect/ctselect'
else:
ctselect = 'ctselect'
# Setup ctselect command
cmd = ctselect+' inobs="data/crab_events.fits"'+ \
' outobs="ctselect_cmd1.fits"'+ \
' ra=83.63 dec=22.01 rad=3.0'+ \
' tmin=0.0 tmax=1800.0'+ \
' emin=0.1 emax=100.0'+ \
' logfile="ctselect_cmd1.log" chatter=1'
# Execute ctselect, make sure we catch any exception
try:
rc = os.system(cmd+' >/dev/null 2>&1')
except:
pass
# Check if execution was successful
self.test_assert(rc == 0,
'Successful ctselect execution on command line')
# Check result file
self._check_result_file('ctselect_cmd1.fits')
# Setup ctselect command
cmd = ctselect+' inobs="event_file_that_does_not_exist.fits"'+ \
' outobs="ctselect_cmd2.fits"'+ \
' ra=83.63 dec=22.01 rad=3.0'+ \
' tmin=0.0 tmax=1800.0'+ \
' emin=0.1 emax=100.0'+ \
' logfile="ctselect_cmd2.log" chatter=1'
# Execute ctselect, make sure we catch any exception
try:
rc = os.system(cmd+' >/dev/null 2>&1')
except:
pass
# Check if execution failed
self.test_assert(rc != 0,
'Failure of ctselect execution on command line')
# Return
return
# Test ctselect from Python
def _test_python(self):
"""
Test ctselect from Python.
"""
# Set-up ctselect
select = ctools.ctselect()
select['inobs'] = 'data/crab_events.fits'
select['outobs'] = 'ctselect_py1.fits'
select['ra'] = 83.63
select['dec'] = 22.01
select['rad'] = 3
select['tmin'] = 0
select['tmax'] = 1800
select['emin'] = 0.1
select['emax'] = 100
select['logfile'] = 'ctselect_py1.log'
select['chatter'] = 2
# Run ctselect tool
select.logFileOpen() # Make sure we get a log file
select.run()
select.save()
# Check result file
self._check_result_file('ctselect_py1.fits')
# Return
return
# Check result file
def _check_result_file(self, filename):
"""
Check result file.
"""
# Open result file
result = gammalib.GCTAEventList(filename)
# Check file
self.test_value(result.size(), 6127, 'Check for 6127 events')
self.test_value(result.roi().centre().dir().ra_deg(), 83.63, 1.0e-6,
'Check for ROI Right Ascension')
self.test_value(result.roi().centre().dir().dec_deg(), 22.01, 1.0e-6,
'Check for ROI Declination')
self.test_value(result.roi().radius(), 3.0, 1.0e-6,
'Check for ROI Radius')
# Return
return